I heard your daughter ____________ in the next room at ten last night.
A. sang B. sing C. singing D. sings
Tom is watching TV, ________ his father is busy working in the study.
A. after B. while C. before D. so
There is not enough _______ for birds here because people build too many houses.
A. ground B. food C. area D. space
He is very strong. He has _______ shoulders.
A. large B. big C. wide D. broad
Shanghai is ______the east of China, and Japan is _______the east of China.
A. in, to B. to, in
C. in, in D. to, to
We went to watch a bird show in the wetlands _______ a rainy Sunday morning.
A. at B. in C. on D. /
